Bosch PowerTube 500 Horizontal (System 2) COMFORT GRIPS but they do keep your

but they do keep your bottles within reach

Handlebar out-front mount x 1

Crankset: SRAM XX ISIS 160mm

Equiped with special inside lubricant system

The PowerTubes 400

Bosch PowerTube 500 Horizontal (System 2) COMFORT GRIPS but they do keep yourBOSCH POWERTUBE BATTERIES The PowerTubes 400, 500 and 625 are fully integrated into the bike frame and can be installed almost invisibly in a wide variety of bike frame types. Meeting the highest demands in terms of performance and aesthetics: Bosch PowerTubes have the power to drive any ride and thanks to their compact size and minimalist design, can be integrated with the eBike to ideal effect. There are two options for installing the battery: